Two days into her new job, anchor Katie Couric interviews President Bush on the news special “Five Years Later – How Safe Are We?” (9 p.m., CBS). In addition to her conversation with the president, Couric will host a report on the current state of homeland security, the threat of future attacks and efforts to prevent them and the toll – emotional, political and financial – of the war on terror.

¢ “Costas NOW” (9 p.m., HBO) returns with host Bob Costas offering his thoughts on the new football season and an interview with former USC running back Reggie Bush. This marks Bush’s first extended interview since joining the New Orleans Saints.

¢ Trace Adkins talks about his music, his career and his reputation as a difficult recluse on “Offstage” with Lorianne Crook (7 p.m., GAC).

“That has bothered me that I am perceived as somewhat of an (expletive) around this town,” says Adkins. “I don’t always meet somebody and just immediately warm up to them. I’m a little stand-offish for a while.”

Adkins also reveals that his religious mother is not fond of all of his songs, most particularly his recent hit “Honky Tonk Badonkadonk.”

¢ “American Masters” (8 p.m., PBS, check local listings) repeats a 1998 profile of composer and conductor Leonard Bernstein. Family members and fellow artists, including Stephen Sondheim, Jerome Robbins, Michael Tilson Thomas and Betty Comden, relate their experiences with the irrepressible maestro. For all of the exuberance of its subject, this “American Masters” remains more reverent than revealing.

¢ In the spirit of “The Devil Wears Prada” and “The Nanny Diaries,” “Confessions of Celebrity Assistants” (9 p.m., E!) turns the tables on demanding stars and reveals them as petty, workaholic taskmasters. Can “Dentist to the Stars” be far behind?

Tonight’s other highlights

¢ Brennan and Booth study the remains of a missing person on “Bones” (7 p.m., Fox).

¢ A music producer’s murder provides work for Trott’s team on “Justice” (8 p.m., Fox).

¢ A sailor is slain during fleet week on “CSI: NY” (8 p.m., CBS).

¢ The dynamic duo on “MythBusters” (8 p.m., Discovery) attempt to determine whether hurricane winds can blow a straw through a palm tree.

¢ The competition continues on “Project Runway” (9 p.m., Bravo).

¢ A screenwriter (William Holden) gets caught in the toxic web of a washed-up silent star (Gloria Swanson) in director Billy Wilder’s 1950 classic “Sunset Boulevard.” (9 p.m., TCM). Look for Jack Webb (“Dragnet”) in a small part.